388587530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 806274000

約数和(自身を除く): 417686470

約数列:

[1, 2, 5, 10, 17, 23, 29, 34, 46, 58, 85, 115, 145, 149, 170, 230, 290, 298, 391, 493, 529, 667, 745, 782, 986, 1058, 1334, 1490, 1955, 2465, 2533, 2645, 3335, 3427, 3910, 4321, 4930, 5066, 5290, 6670, 6854, 8642, 8993, 11339, 12665, 15341, 17135, 17986, 21605, 22678, 25330, 30682, 34270, 43210, 44965, 56695, 58259, 73457, 76705, 78821, 89930, 99383, 113390, 116518, 146914, 153410, 157642, 198766, 260797, 291295, 367285, 394105, 496915, 521594, 582590, 734570, 788210, 993830, 1303985, 1339957, 1689511, 2285809, 2607970, 2679914, 3379022, 4571618, 6699785, 8447555, 11429045, 13399570, 16895110, 22858090, 38858753, 77717506, 194293765, 388587530]

約数ペア:

[(1, 388587530), (2, 194293765), (5, 77717506), (10, 38858753), (17, 22858090), (23, 16895110), (29, 13399570), (34, 11429045), (46, 8447555), (58, 6699785), (85, 4571618), (115, 3379022), (145, 2679914), (149, 2607970), (170, 2285809), (230, 1689511), (290, 1339957), (298, 1303985), (391, 993830), (493, 788210), (529, 734570), (667, 582590), (745, 521594), (782, 496915), (986, 394105), (1058, 367285), (1334, 291295), (1490, 260797), (1955, 198766), (2465, 157642), (2533, 153410), (2645, 146914), (3335, 116518), (3427, 113390), (3910, 99383), (4321, 89930), (4930, 78821), (5066, 76705), (5290, 73457), (6670, 58259), (6854, 56695), (8642, 44965), (8993, 43210), (11339, 34270), (12665, 30682), (15341, 25330), (17135, 22678), (17986, 21605)]